CCENT/CCNA : Learn Computer Network Essentials and Enhance Your Networking Skills by Obtaining the CCENT Certification.

Cover -- Title Page -- Copyright and credits -- Dedication -- Packt Upsell -- Contributors -- Table of Contents -- Preface -- Chapter 1: Introduction to Computer Networks -- From ARPANET to internet -- What is a computer network? -- Requirements for designing a computer network -- Types of computer networks -- Personal area network (PAN) -- Local area network (LAN) -- Metropolitan area network (MAN) -- Wide area network (WAN) -- Intranet -- Extranet -- Computer network topologies -- Physical topology -- Bus -- Ring -- Star -- Extended star -- Hierarchical -- Mesh -- Logical topology -- Computer network components -- Clients -- Servers -- Hosts and nodes -- Network interface -- Peripheral devices -- Applications and shared data -- Hubs and switches -- Routers -- Infrastructure components -- Firewall -- Wireless access point -- Wireless access controller -- Computer network architectures -- Peer-to-peer networking (P2P) -- Client/server networking -- Network operating system (NOS) -- Windows -- Linux -- macOS X Server -- Network medium -- Twisted pairs -- Coaxial -- Fibre optic -- Infrared and Bluetooth -- Radio waves -- Satellite -- Converged networks -- Growing complexity of networks -- Elements of converged networks -- Access, distribution, and core layers -- Network trends -- Summary -- Questions -- Chapter 2: Communication in Computer Networks -- How do computers communicate? -- Message encoding -- Message formatting and encapsulation -- Message size -- Message timing -- Message delivery types -- Unicast transmission -- Multicast transmission -- Broadcast transmission -- Types of communication channels -- Simplex -- Half-duplex -- Full-duplex -- Communication protocols -- Characteristics of communication protocols -- Connection-oriented protocols -- Connectionless protocols -- Circuit switching versus packet switching.

Well-known communication protocols -- OSI and TCP/IP model overview -- TCP/IP protocol model -- OSI reference model -- OSI layers and their protocols -- Physical layer protocols -- Data link layer protocols -- Network layer protocols -- Transport layer protocols -- Session layer protocols -- Presentation layer protocols -- Application layer protocols -- Ethernet communication technology -- Ethernet history -- Ethernet protocols -- Ethernet frame -- Ethernet MAC addresses -- Ethernet's CSMA CD vs. Ethernet's CSMA CA -- The IP addresses and subnets -- IPv4 network addresses -- Public IP addresses -- Private IP addresses -- Loopback IP address -- Automatic Private IP Addressing (APIPA) -- Unicast, multicast, and broadcast addresses -- Class A addresses -- Class B addresses -- Class C addresses -- Class D addresses -- Class E addresses -- IPv6 network addresses -- Global unicast addresses -- Link-local addresses -- Unique local addresses -- Loopback address -- This host, this network" address -- Multicast addresses -- Anycast -- Autoconfiguration -- Subnetting -- Classful subnetting -- Classless subnetting -- IPv6 subnetting -- Summary -- Questions -- Chapter 3: Introduction to Switching -- What is switch? -- Switch essentials -- MAC address table -- MAC learning and aging -- Frame switching -- Frame flooding -- Switching general concepts -- Ingress and egress ports -- Source and destination MAC addresses -- Unicast MAC address -- Multicast MAC address -- Broadcast MAC address -- Switched networks -- The role of switched networks -- Features of the switch -- Fixed configuration switches -- Modular configuration switches -- Stackable configuration switches -- Frame forwarding methods -- Store-and-forward switching -- Cut-through switching -- Fast-forward switching -- Fragment-free switching -- Switching domains -- Collision domains -- Broadcast domains.

Network congestion -- Switch port settings -- Duplex and speed settings -- Auto-MDIX -- Overview of VLANs -- VLAN segmentation -- VLANs in a multiswitched environment -- VLAN trunks -- Inter-VLAN operation -- Ethernet's frame overview -- Ethernet frame encapsulation -- Ethernet frame fields -- Ethernet frame processing -- Switch security -- Secure remote access -- Telnet -- SSH -- Port security operation -- Summary -- Questions -- Chapter 4: Setting Up the Switch -- Basic switch configuration -- Configuration with initial settings -- Boot sequence -- LED indicators -- Connecting to a switch and running initial configuration -- Configuring basic management access -- Configuring ports -- Configuring VLANs -- Configuring VLAN trunks -- Configuring legacy inter-VLAN routing -- Scenario - Router with multiple interfaces -- Verifying VLAN information on a switch -- Configuring router-on-a-stick inter-VLAN routing -- Scenario - Router with a single interface -- Verifying VLAN information on a switch -- Configuring remote access -- Configuring Telnet -- Configuring SSH -- Configuring switchport security -- Summary -- Questions -- Chapter 5: Introduction to Routing -- Routing concepts -- Understanding host routing -- Host forwarding decisions -- Default gateway -- Host routing tables -- Routing operations -- Switching packets -- Router switching functions -- Sending packets -- Packet routing -- Forward to next-hop -- Reaching the destination -- Path determination -- Routing decision -- Selecting the best path -- Network Load Balancing (NLB) -- Administrative distance (AD) -- What is a router? -- A router is a computer -- Router's CPU and OS -- Anatomy of a router -- Connecting to a router -- LAN and WAN interfaces -- Boot up the router -- Router's boot up process -- Bootset files -- Router routing tables -- Understanding packet forwarding.

IPv4 routing table -- Directly connected routing table entries -- Remote network routing table entries -- Next-hop IP address -- Routing types -- Static routing -- Static route applications -- Dynamic routing -- Dynamic routing protocols -- Routing table terms -- Summary -- Questions -- Chapter 6: Setting up the Router -- Connecting the router to a PC and turning it on -- Router LED indicators -- Console access -- Turning on the router -- Show version output -- Router's initial configuration -- Configuring basic router settings -- Configuring IPv4  and IPv6 addresses on router interfaces -- Configuring static routes and default static routes -- Configuring IPv4 static routes and default static routes -- Configuring IPv6 static routes and default static routes -- Configuring Routing Information Protocol (RIP) -- InterVLAN configuration -- Router-on-a-stick interVLAN configuration -- Summary -- Questions -- Chapter 7: Networking Services and Maintenance -- Dynamic Host Configuration Protocol overview -- Assigning IPv4 addresses dynamically -- Configuring DHCPv4 -- Assigning IPv6 addresses dynamically -- Configuring stateless DHCPv6 -- Configuring Stateful DHCPv6 -- Network Address Translator overview -- Configuring static NAT -- Configuring dynamic NAT -- Configuring PAT -- Configuring port forwarding -- NAT and IPv6 -- Network Time Protocol overview -- Configuring and verifying NTP -- Cisco Discovery Protocol and Link-Layer Discovery Protocol overview -- Device discovery with CDP -- Device discovery with LLDP -- System logging overview -- Configuring syslog -- Device maintenance -- Router and switch file maintenance -- Router file systems -- Switch file systems -- Backing up and restoring text files -- Backing up and restoring to/from TFTP -- Using USB ports on a Cisco router -- Backing up and restoring to/from a USB flash drive.

Password recovery using ROMMON -- IOS system files -- IOS 15.0 system image packaging -- IOS image filename -- IOS image management -- TFTP servers as a backup location -- Steps to back up an IOS image to a TFTP server -- Copying an IOS image to a device -- The boot system command -- Software licensing -- Licensing overview -- Licensing process -- License verification and management -- License verification -- Activating an evaluation right-to-use license -- Backing up the license -- Uninstalling the license -- Traffic management -- Summary -- Questions -- Chapter 8: Network Troubleshooting -- Troubleshooting methodologies -- Basic approaches -- Resolve or escalate? -- Verifying and monitoring solutions -- Troubleshooting scenarios -- IP addressing issues on networking devices -- IP addressing issues on end devices -- Default gateway issues -- Troubleshooting DNS issues -- Troubleshooting cables and interfaces -- Cable problems -- Duplex operation -- Duplex mismatch -- Switch troubleshooting -- Recovering from a system crash -- Network access layer issues -- Troubleshooting network access layer issues -- Ports in error-disabled state -- Router troubleshooting -- Verifying IPv4 interface settings -- Verifying IPv6 interface settings -- The show history command -- Troubleshooting a missing route -- Solving a connectivity problem -- Troubleshooting VLANs -- IP addressing issues with VLANs -- Troubleshooting Access Control Lists -- Processing packets with ACLs -- Common IPv4 standard ACL errors -- Troubleshooting DHCP -- Troubleshooting DHCPv4 -- Troubleshooting DHCPv6 -- Troubleshooting NAT -- The show ip NAT commands -- The debug ip NAT command -- Basic network performance -- The ping command -- The traceroute and tracert commands -- The show commands -- Command syntax -- The debug command -- Network security -- Security threats and vulnerabilities.

Network attacks.

CCENT is the entry-level certification for those looking to venture into the networking world. This book is designed to help you prepare for the ICND Part 1 (100 - 105) exam, thus obtaining the CCENT certification. Apart from learning computer network essentials, you will be able to enhance your networking skills by learning switching and.

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Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, 2024. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries.